[INFO] cloning repository https://github.com/PEshwar/toy_blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PEshwar/toy_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c3f9d29fea64ac54da7ebb46da5a04e995585d22 [INFO] testing PEshwar/toy_blockchain against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPEshwar%2Ftoy_blockchain" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PEshwar/toy_blockchain on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] finished tweaking git repo https://github.com/PEshwar/toy_blockchain [INFO] tweaked toml for git repo https://github.com/PEshwar/toy_blockchain written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/PEshwar/toy_blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded commoncrypto-sys v0.2.0 [INFO] [stderr] Downloaded crypto-hash v0.3.3 [INFO] [stderr] Downloaded commoncrypto v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d37e572752744929a8139114d8484abd820abed49ec27eabc427bf3e39ccd9ff [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d37e572752744929a8139114d8484abd820abed49ec27eabc427bf3e39ccd9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d37e572752744929a8139114d8484abd820abed49ec27eabc427bf3e39ccd9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d37e572752744929a8139114d8484abd820abed49ec27eabc427bf3e39ccd9ff", kill_on_drop: false }` [INFO] [stdout] d37e572752744929a8139114d8484abd820abed49ec27eabc427bf3e39ccd9ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fb03414f36a832578ffd98e6c8431f4c77081473adb91bd95472eeee3e2ff1d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1fb03414f36a832578ffd98e6c8431f4c77081473adb91bd95472eeee3e2ff1d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling openssl v0.10.23 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling hex v0.3.2 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling crypto-hash v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.07s [INFO] running `Command { std: "docker" "inspect" "1fb03414f36a832578ffd98e6c8431f4c77081473adb91bd95472eeee3e2ff1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb03414f36a832578ffd98e6c8431f4c77081473adb91bd95472eeee3e2ff1d", kill_on_drop: false }` [INFO] [stdout] 1fb03414f36a832578ffd98e6c8431f4c77081473adb91bd95472eeee3e2ff1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1d237bf6a65dcf8c00ee638a1ef05ab7d870fc8577e5f4e3d050b1f5d07c267e [INFO] running `Command { std: "docker" "start" "-a" "1d237bf6a65dcf8c00ee638a1ef05ab7d870fc8577e5f4e3d050b1f5d07c267e", kill_on_drop: false }` [INFO] [stderr] Compiling peblock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `genesis` [INFO] [stdout] --> src/main.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn genesis() -> Block { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_json` [INFO] [stdout] --> src/main.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn to_json(&self) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash` [INFO] [stdout] --> src/main.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn hash(block: &Block) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_valid` [INFO] [stdout] --> src/main.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mine_next_block` [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Blockchain` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | struct Blockchain { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "1d237bf6a65dcf8c00ee638a1ef05ab7d870fc8577e5f4e3d050b1f5d07c267e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d237bf6a65dcf8c00ee638a1ef05ab7d870fc8577e5f4e3d050b1f5d07c267e", kill_on_drop: false }` [INFO] [stdout] 1d237bf6a65dcf8c00ee638a1ef05ab7d870fc8577e5f4e3d050b1f5d07c267e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b01c13d1c65ef0bdc3298000d1143a0e53642b2df88d5b01c071fe49c3e56416 [INFO] running `Command { std: "docker" "start" "-a" "b01c13d1c65ef0bdc3298000d1143a0e53642b2df88d5b01c071fe49c3e56416", kill_on_drop: false }` [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:35:12 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn new(timestamp: u64, transactions: Vec, previous_block: &Block) -> Block { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `genesis` [INFO] [stderr] --> src/main.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn genesis() -> Block { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_json` [INFO] [stderr] --> src/main.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn to_json(&self) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `hash` [INFO] [stderr] --> src/main.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn hash(block: &Block) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_valid` [INFO] [stderr] --> src/main.rs:68:12 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn is_valid(hash: &str, prefix: &str) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mine_next_block` [INFO] [stderr] --> src/main.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | fn mine_next_block(candidate_block: &mut Block, prefix: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Blockchain` [INFO] [stderr] --> src/main.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | struct Blockchain { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/peblock-a5d8647189392bda [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b01c13d1c65ef0bdc3298000d1143a0e53642b2df88d5b01c071fe49c3e56416", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b01c13d1c65ef0bdc3298000d1143a0e53642b2df88d5b01c071fe49c3e56416", kill_on_drop: false }` [INFO] [stdout] b01c13d1c65ef0bdc3298000d1143a0e53642b2df88d5b01c071fe49c3e56416